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Application Developer - Identity & Cloud

Square One — United Kingdom · Posted ~15 hours ago

Mid Contract Onsite

Skills

Identity API development Data ingestion Data transformation Event-driven architecture Google Cloud Platform APIs Pub/Sub IAM Identity lifecycle management Cloud-native applications

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Summary ✨ AI‑Generated

A skilled Application Developer is sought for a long-term contract focused on identity API development, data ingestion and transformation, and event-driven architectures. You will build secure and scalable IAM workflows on a major cloud platform, integrating APIs, messaging pipelines, identity services, and cloud-native applications.

Highlights

Long-term contract with a strong focus on secure, scalable identity and access workflows. The role provides hands-on experience with cloud-native applications, event-driven architectures, API development, IAM automation, and collaboration across security and engineering teams.

Description

Job Title: Application Developer Location: Sheffield 3x a week Salary/Rate: Up to £462 daily Start Date: In the next two weeks Job Type: Long term contract Inside Ir35 Company Introduction We have an exciting opportunity now available with one of our tier one banking clients! They are currently looking for a skilled Application Developer to join their team for a long term contract. We are looking for a highly skilled Application Developer with strong expertise in identity API development, data ingestion and transformation, and event-driven (Pub/Sub) architectures. This role focuses on building secure, scalable identity and access workflows across Google Cloud Platform, integrating identity services with custom APIs, Pub/Sub pipelines, and cloud-native applications. You will collaborate closely with tech leads, Cloud Security, DevOps, and Application Engineering teams to design and implement robust IAM automation, identity lifecycle workflows, and secure service integrations that support enterprise-level cloud and Identity operations. Technical Expertise: • Proven experience with modern identity orchestration platforms (Auth0 Actions, Okta Workflows, WorkOS, or SlashID) • Strong programming skills in Python, Go, or Node.js for API and microservice development. • Experience designing and deploying cloud-native APIs (Cloud Run, Cloud Functions, GKE). • Deep understanding of event-driven architectures, Pub/Sub, message processing, and workflow automation. • Strong knowledge of OAuth2, OIDC, JWT, SAML, and identity federation patterns. • Proficiency in Terraform or equivalent IaC tools. • Experience using API gateways, reverse proxies, or service mesh technologies.